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quant-ph2026
Quantum Key Distribution Beyond Stationary Channels
Vaisakh Mannalath, VÃctor Zapatero, Kiyoshi Tamaki +1
Quantum key distribution (QKD) over non-stationary channels, such as satellite links, is characterized by short, high-loss, and strongly fluctuating transmission windows that produ…
quant-ph2026
Finite-key feasibility of geostationary quantum key distribution
Vaisakh Mannalath, VÃctor Zapatero, Marcos Curty
Quantum key distribution (QKD) via geostationary Earth orbit (GEO) satellites offers a compelling route to continuous, continental-scale secure communications. However, operation i…
quant-ph2025
Sharp finite statistics for quantum key distribution
Vaisakh Mannalath, VÃctor Zapatero, Marcos Curty
The performance of quantum key distribution (QKD) heavily depends on statistical inference. For a broad class of protocols, the central statistical task is a random sampling proble…